From e43c460dcd265431df7a5e481450ad9c0596c10c Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <darrick.wong@oracle.com>
Date: Mon, 19 Sep 2016 10:13:02 +1000
Subject: iomap: add a flag to report shared extents

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---
 fs/iomap.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/iomap.c')

diff --git a/fs/iomap.c b/fs/iomap.c
index e9b3f991c2d8..ec411a6b9edc 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -512,6 +512,8 @@ static int iomap_to_fiemap(struct fiemap_extent_info *fi,
 
 	if (iomap->flags & IOMAP_F_MERGED)
 		flags |= FIEMAP_EXTENT_MERGED;
+	if (iomap->flags & IOMAP_F_SHARED)
+		flags |= FIEMAP_EXTENT_SHARED;
 
 	return fiemap_fill_next_extent(fi, iomap->offset,
 			iomap->blkno != IOMAP_NULL_BLOCK ? iomap->blkno << 9: 0,
-- 
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